<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>百度页码</title>
</head>
<style>
ul{
    width: 500px;
    height: 100px;
    margin: 50px auto;
    background-color: #f5f6f5;
    list-style: none;
    padding: 20px 20px;
}
li{
    float: left;
    box-sizing: border-box;
    background-color: #fff;
    border-radius: 5px;
    margin-left: 6px;
    width: 36px;
    height: 36px;
    text-align: center;
    line-height: 36px;
    color:#2440b3;
    /* transition: all 0.5s; */

}
li:hover{
    background-color: #4662D9;
    color:#fff;
}
</style>
<body>
 <ul>
    <li>1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>
    <li>6</li>
    <li>7</li>
    <li>8</li>
    <li>9</li>
    <li>10</li>
 </ul>
</body>
<script></script>
</html>